Abdominal Macronodular Tuberculomas: MR Findings

From the Department of Radiology, School of Medicine, Tokyo Medical and Dental University, Tokyo (Y. Murata and I. Yamada), and Departments of Radiology (Y. Sumiya and Y. Shichijo) and Pathology (Y. Suzuki), Asahi General Hospital, Asahi City, Chiba, Japan.

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Abstract

PurposeOur goal was to determine the appearance of abdominal macronodular tuberculomas on MRI.MethodMR findings of two patients with abdominal macronodular tuberculoma, one of the liver and the other in the kidney, were reviewed.ResultsThese two tuberculomas, histologically confirmed to have no calcification, hemorrhaging, or fibrosis, commonly showed low signal intensity on both T1- and T2-weighted images.ConclusionWe report two cases of a macronodular tuberculoma in the liver and kidney, which is visualized as a region of hypointensity on T2-weighted MR images. This finding appears to be important in reaching a definitive diagnosis of an abdominal tuberculoma.